Rexso
Menu

Leadership
at Rexso

Rexso is dedicated to developing advanced AI systems that are reliable, interpretable, and aligned with human values. Our leadership team guides the company’s strategy, research, and product direction in service of this mission.

CEO and President

Co-Founder and Chief Executive Officer

Kenji Nakamura

Read blog

Kenji Nakamura co-founded Rexso and sets the company’s research direction and long-term strategy for developing AI systems that are reliable, interpretable, and steerable.

Co-Founder and President

Aya Sato

Aya Sato co-founded Rexso and oversees the organization’s work across research, engineering, product, governance, and commercial execution. She also manages the executive leadership team.

Co-Founders

Co-Founder and Chief Compute Officer

Marcus Hale

Marcus Hale co-founded Rexso and leads the technical organization responsible for securing, scaling, and efficiently utilizing the company’s compute infrastructure.

Co-Founder and Head of Public Benefit

Elena Voss

Elena Voss co-founded Rexso and leads the company’s public benefit initiatives, focusing on research into the societal implications of frontier AI systems.

Co-Founder and Chief Science Officer

Dr. Liam Chen

Liam Chen co-founded Rexso and leads the company’s core technical research, with a focus on AI safety, scaling laws, and the development of the Ryomen model family.

Co-Founder and Chief Architect

Sofia Reyes

Sofia Reyes co-founded Rexso and focuses on large-scale model training, research productivity, and the infrastructure that powers Ryomen.

Co-Founder and Interpretability Research Lead

Noah Ellison

Noah Ellison co-founded Rexso and leads interpretability research, focusing on understanding the internal mechanisms of advanced models like Ryomen.

Executives

Chief Global Affairs Officer

Dr. Priya Mehta

Priya Mehta leads Rexso’s policy, international engagement, and government relations work worldwide.

Chief Brand and Communications Officer

Jordan Blake

Jordan Blake oversees Communications, Editorial, Brand Marketing, and Design for Rexso.

Chief Legal Officer

Rachel Kim

Rachel Kim oversees Legal, Integrity, and Compliance across the organization.

Chief Technology Officer

Victor Lang

Victor Lang leads engineering across inference, product systems, infrastructure, and security as Rexso scales.

Chief People Officer

Maya Torres

Maya Torres leads talent acquisition, organizational development, and workplace experience at Rexso.

Chief Financial Officer

Daniel Okonkwo

Daniel Okonkwo leads financial strategy and operations, supporting the responsible growth of Rexso and the Ryomen platform.

Chief Commercial Officer

Lena Park

Lena Park leads commercial strategy and global go-to-market operations as Rexso expands enterprise adoption of Ryomen.

Chief Product Officer

Adrian Cole

Adrian Cole leads the product organization, turning advances in Ryomen into reliable tools used by developers, enterprises, and researchers worldwide.